Across
- 2. we have almost 6 meters of it, food tube
- 4. retains urine until you find a bathroom
- 6. thickest artery in the body
- 8. pair of sponges that exchange CO2 into O2
- 9. the thinking machine inside our head
- 11. detoxifies our blood, eliminates alcohol and drugs
- 12. keeps safe a baby until he/she borns
Down
- 1. the longest and hardest bone
- 3. red liquid inside our veins, we have about 5 litres
- 5. muscle that separates the torax and abdominal organs
- 7. looks like beans, they clean our blood and produce urine
- 10. pumps blood to all the body